Apparatus for mixing soap and other materials



- W. CORNWALL, Sr., W. CORNWALL, Jr.,

85 A. W. CORNWALL. Apparatus for Mixing Soap and other Materials.

4. Fatenred June 1, 1880.

MPETERS, PHOTO-LITHOGRAPHER, WASHINGTONv 9- UNITED STATES FF ICE.

ATENT WILLIAM OORNWALL, SR, WILLIAM CORNWALL, JR, AND AARON W. CORNWALL,OF LOUISVILLE, KENTUCKY.

APPARATUS FOR MIXING SOAP AND OTHER MATERIALS.

SPECIFICATION forming part of Letters Patent NO. 228,320, dated June 1,1880.

Application filed August 23, 1879.

To all whom it may concern:

Be it known that we, WILLIAM CORNWALL, $13., WILLIAM CORNWALL, J r., andAARON W. CORNWALL, of the city of Louisville and county of J efierson,in the State of Kentucky, have invented a machine for mixing andcombining liquid and plastic substances with each other in themanufacture of soap, or dry materials with liquid or plastic substancesor with other dry materials, for various purposes, of which thefollowing is a specification.

Our invention is an improved machine for mixing materials suitable formaking soap, also for mixing other plastic or pulverulent materials forother purposes.

The improvement consists in the construc tion and arrangement of therotating arms employed for creating currents, which move in oppositedirections, butin different parts of the materials placed in the mixingvessel or receptacle.

In accompanying drawings, Figure 1 is a vertical longitudinal section,and Fig. 2 a vertical cross-section, of our improved machine. arms orstirrers detached from its shaft. v

The stirrers or mixing-arms A B are fast on a shaft, D, which extendsthrough the longitudinal axis of the mixing chamber or receptacle C.Said shaft D may be rotated by a hand-crank, H, or a band (not shown)running on pulley K.

Each of the aforesaid arms consists of a metal plate whose broad ends AB constitute paddles, which, when the shaft D revolves, cause differentcurrents in the plastic material placed in receptacle C.

Each of the paddles A and B is inclined horizontally at an angle ofabout forty degrees to the axis or shaft D, as shown; but the arms,taken as a whole, are nearly radial to said shaft.

The arms are arranged spirally or in a spiral line around the shaft andat equidistant points. They are each provided with hubs a, through whichthe shaft D passes, and said hubs are located at the inner ends ofpaddles B, so that the paddle A is at the end of thelonger part of thearm and describes the larger circle.

It will be perceived that upon rotating the shaft D in the directionindicated by the arrow on pulleyKthe paddles A will force the plasticmaterial toward the right and the paddles B Fig. 3 is a plan view of oneof the a different part of the materials being mixedthat is to say, thecurrents caused by the short paddles B are between the shaft D andpaddles A. The 'two currents thus set up in different parts of the samesubstance progress toward opposite ends of the receptacle 0, come incontact, and intermingle more or less as they move along in a whirlingmotion, and on reaching the ends of the receptacle rebound, and finallybecome thoroughly mixed and form a homogeneous mass, which result isproduced more quickly and with less expenditure of force than in othermixing-machines in which violent agitation of the plastic material isobtained by rapid motions that set currents in motion against oneanother, so that the two or more opposing currents meet and in partdestroy each other.

WVe show in Fig. 1 an arm having paddles A B, which is placed with itstransverse plane inclined opposite to the others, for the purpose ofassisting in breaking up the currents and producing the desired speedyreduction to homogeneity.

What We claim is- In a mixing-machine, the combination, with a shaftadapted to rotate in a suitable receptacle, of a series ofspirally-arranged arms or stirrers, having broad ends, forming paddles AB, which are inclined to the shaft and arranged as described, withpaddles B nearer the shaft than paddles A are, substantially as shownand described, whereby the respective paddles will sweep in differentbut concentric circles, and create currents in opposite directions, butin different parts of the same sub-.

stance.

WM. CORNWALL, SR. WM. CORNWALL, JR. A. W. CORNW'ALL. Witnesses:

A. Y. J OHNSON, Jr., J OHN SULLIVAN.

